diff --git a/test/err/static-2.c b/test/err/static-2.c
new file mode 100644
index 000000000..c89097825
--- /dev/null
+++ b/test/err/static-2.c
@@ -0,0 +1,20 @@
+/*
+  !!DESCRIPTION!! global non-static and static conflicts
+  !!ORIGIN!!      cc65 regression tests
+  !!LICENCE!!     Public Domain
+  !!AUTHOR!!      Greg King
+*/
+
+/*
+  see: https://github.com/cc65/cc65/issues/191
+*/
+
+#pragma warn(error, on)
+
+int n;
+static int n;           /* should give an error */
+
+int main(void)
+{
+    return n;
+}
diff --git a/test/err/static-3.c b/test/err/static-3.c
new file mode 100644
index 000000000..5b6839a6a
--- /dev/null
+++ b/test/err/static-3.c
@@ -0,0 +1,20 @@
+/*
+  !!DESCRIPTION!! global non-static and static conflicts
+  !!ORIGIN!!      cc65 regression tests
+  !!LICENCE!!     Public Domain
+  !!AUTHOR!!      Greg King
+*/
+
+/*
+  see: https://github.com/cc65/cc65/issues/191
+*/
+
+#pragma warn(error, on)
+
+extern int n;
+static int n;           /* should give an error */
+
+int main(void)
+{
+    return n;
+}
diff --git a/test/err/static-4.c b/test/err/static-4.c
new file mode 100644
index 000000000..a2cdeb78a
--- /dev/null
+++ b/test/err/static-4.c
@@ -0,0 +1,20 @@
+/*
+  !!DESCRIPTION!! global non-static and static conflicts
+  !!ORIGIN!!      cc65 regression tests
+  !!LICENCE!!     Public Domain
+  !!AUTHOR!!      Greg King
+*/
+
+/*
+  see: https://github.com/cc65/cc65/issues/191
+*/
+
+#pragma warn(error, on)
+
+static int n;
+int n;                  /* should give an error */
+
+int main(void)
+{
+    return n;
+}
diff --git a/test/val/static-1.c b/test/val/static-1.c
new file mode 100644
index 000000000..ae2ba6289
--- /dev/null
+++ b/test/val/static-1.c
@@ -0,0 +1,20 @@
+/*
+  !!DESCRIPTION!! global non-static and static conflicts
+  !!ORIGIN!!      cc65 regression tests
+  !!LICENCE!!     Public Domain
+  !!AUTHOR!!      Greg King
+*/
+
+/*
+  see: https://github.com/cc65/cc65/issues/191
+*/
+
+#pragma warn(error, on)
+
+static int n = 0;
+extern int n;           /* should not give an error */
+
+int main(void)
+{
+    return n;
+}