diff --git a/common/Makefile.am b/common/Makefile.am
index d8bdc615..95351b49 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -32,7 +32,10 @@ if XRDP_DEBUG
 AM_CPPFLAGS += -DXRDP_DEBUG
 endif
 
-AM_CFLAGS = $(OPENSSL_CFLAGS)
+# -no-suppress is an automake-specific flag which is needed
+# to prevent us missing compiler errors in some circumstances
+# (see https://github.com/neutrinolabs/xrdp/pull/1843 )
+AM_CFLAGS = -no-suppress $(OPENSSL_CFLAGS)
 
 module_LTLIBRARIES = \
   libcommon.la