diff --git a/jsi.h b/jsi.h
index ecd922b..c9e17fd 100644
--- a/jsi.h
+++ b/jsi.h
@@ -13,6 +13,13 @@
 #include <float.h>
 #include <limits.h>
 
+/* NOTE: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103052 */
+#ifdef __GNUC__
+#if (__GNUC__ >= 6)
+#pragma GCC optimize ("no-ipa-pure-const")
+#endif
+#endif
+
 /* Microsoft Visual C */
 #ifdef _MSC_VER
 #pragma warning(disable:4996) /* _CRT_SECURE_NO_WARNINGS */