diff --git a/src/pcre2.h.generic b/src/pcre2.h.generic
index dad774ce6..dc8ad0752 100644
--- a/src/pcre2.h.generic
+++ b/src/pcre2.h.generic
@@ -404,6 +404,7 @@ released, the numbers must not be changed. */
 #define PCRE2_ERROR_CONVERT_SYNTAX    (-64)
 #define PCRE2_ERROR_INTERNAL_DUPMATCH (-65)
 #define PCRE2_ERROR_DFA_UINVALID_UTF  (-66)
+#define PCRE2_ERROR_JIT_UNSUPPORTED   (-67)
 
 
 /* Request types for pcre2_pattern_info() */
diff --git a/src/pcre2.h.in b/src/pcre2.h.in
index 7202c6337..661a79e7c 100644
--- a/src/pcre2.h.in
+++ b/src/pcre2.h.in
@@ -404,6 +404,7 @@ released, the numbers must not be changed. */
 #define PCRE2_ERROR_CONVERT_SYNTAX    (-64)
 #define PCRE2_ERROR_INTERNAL_DUPMATCH (-65)
 #define PCRE2_ERROR_DFA_UINVALID_UTF  (-66)
+#define PCRE2_ERROR_JIT_UNSUPPORTED   (-67)
 
 
 /* Request types for pcre2_pattern_info() */
diff --git a/src/pcre2_error.c b/src/pcre2_error.c
index 09904c03e..83f2c605b 100644
--- a/src/pcre2_error.c
+++ b/src/pcre2_error.c
@@ -272,6 +272,7 @@ static const unsigned char match_error_texts[] =
   /* 65 */
   "internal error - duplicate substitution match\0"
   "PCRE2_MATCH_INVALID_UTF is not supported for DFA matching\0"
+  "pattern not supported by JIT\0"
   ;
 
 
diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
index 1f84293be..f1c2ee9c1 100644
--- a/src/pcre2_jit_compile.c
+++ b/src/pcre2_jit_compile.c
@@ -13844,7 +13844,7 @@ common->ovector_start += sizeof(sljit_sw);
 if (!check_opcode_types(common, common->start, ccend))
   {
   SLJIT_FREE(common->optimized_cbracket, allocator_data);
-  return PCRE2_ERROR_NOMEMORY;
+  return PCRE2_ERROR_JIT_UNSUPPORTED;
   }
 
 /* Checking flags and updating ovector_start. */
@@ -13919,7 +13919,7 @@ if (private_data_size > SLJIT_MAX_LOCAL_SIZE)
   {
   SLJIT_FREE(common->private_data_ptrs, allocator_data);
   SLJIT_FREE(common->optimized_cbracket, allocator_data);
-  return PCRE2_ERROR_NOMEMORY;
+  return PCRE2_ERROR_JIT_UNSUPPORTED;
   }
 
 if (common->has_then)
diff --git a/testdata/testoutput17 b/testdata/testoutput17
index b5b2cc8a1..bbcab1f5e 100644
--- a/testdata/testoutput17
+++ b/testdata/testoutput17
@@ -9,7 +9,7 @@
 Capture group count = 0
 May match empty string
 Subject length lower bound = 0
-JIT compilation was not successful (no more memory)
+JIT compilation was not successful (pattern not supported by JIT)
 
 # The following pattern cannot be compiled by JIT.
 
@@ -17,7 +17,7 @@ JIT compilation was not successful (no more memory)
 Capture group count = 0
 May match empty string
 Subject length lower bound = 0
-JIT compilation was not successful (no more memory)
+JIT compilation was not successful (pattern not supported by JIT)
 
 # Check that an infinite recursion loop is caught.