Index: clang/lib/Sema/SemaOpenMP.cpp
===================================================================
--- clang/lib/Sema/SemaOpenMP.cpp
+++ clang/lib/Sema/SemaOpenMP.cpp
@@ -7067,7 +7067,9 @@
       auto I = CS->body_begin();
       while (I != CS->body_end()) {
         const auto *OED = dyn_cast<OMPExecutableDirective>(*I);
-        if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind())) {
+        if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) ||
+            OMPTeamsFound) {
+
           OMPTeamsFound = false;
           break;
         }
Index: clang/test/OpenMP/nesting_of_regions.cpp
===================================================================
--- clang/test/OpenMP/nesting_of_regions.cpp
+++ clang/test/OpenMP/nesting_of_regions.cpp
@@ -4080,6 +4080,13 @@
   }
 #pragma omp target // expected-error {{target construct with nested teams region contains statements outside of the teams construct}}
   {
+#pragma omp teams // expected-note {{directive outside teams construct here}}
+    ++a;
+#pragma omp teams // expected-note {{nested teams construct here}}
+    ++a;
+  }
+#pragma omp target // expected-error {{target construct with nested teams region contains statements outside of the teams construct}}
+  {
     ++a;           // expected-note {{statement outside teams construct here}}
 #pragma omp teams  // expected-note {{nested teams construct here}}
     ++a;
@@ -12693,6 +12700,13 @@
   }
 #pragma omp target // expected-error {{target construct with nested teams region contains statements outside of the teams construct}}
   {
+#pragma omp teams // expected-note {{directive outside teams construct here}}
+    ++a;
+#pragma omp teams // expected-note {{nested teams construct here}}
+    ++a;
+  }
+#pragma omp target // expected-error {{target construct with nested teams region contains statements outside of the teams construct}}
+  {
     ++a;          // expected-note {{statement outside teams construct here}}
 #pragma omp teams // expected-note {{nested teams construct here}}
     ++a;